diff --git a/daemon/nextbox_daemon/shield.py b/daemon/nextbox_daemon/shield.py
index b449a4e4..2f6a6bce 100644
--- a/daemon/nextbox_daemon/shield.py
+++ b/daemon/nextbox_daemon/shield.py
@@ -93,7 +93,7 @@ def set_led_state(self, state):
 
         elif state == "docker-wait":
             self.set_fast_blink(0, 1, 0)
-            shield.button.when_held = lambda: (job_queue.put("FactoryReset"), self.set_led_state("factory-reset")),
+            shield.button.when_held = lambda: (job_queue.put("FactoryReset"), self.set_led_state("factory-reset"))
 
         else:
             self.set_led(0, 1, 0)